Re: txqueuelen in ifconfig and tc

Linux Advanced Routing and Traffic Control

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Jonas Lindqvist wrote:
> Is this queue affected by tc or is it after all shaping?

tx_queue_len provides default values for the queue size in
all FIFO qdiscs, and an in unconfigured GRED (which acts
just as a pfifo)),

In HTB, it sets the limit of the queue of class qdisc:0,
so it affects traffic that doesn't get shaped.

In any case, any additional queuing after traffic control
is at the discretion of the network interface driver, and
not affected by tx_queue_len.

- Werner

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 / Werner Almesberger, Buenos Aires, Argentina         wa@almesberger.net /
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